426853872 has 90 divisors (see below), whose sum is σ = 1250018952. Its totient is φ = 135719232.

The previous prime is 426853841. The next prime is 426853909. The reversal of 426853872 is 278358624.

426853872 is a `hidden beast` number, since 4 + 268 + 5 + 387 + 2 = 666.

It is a super-3 number, since 3×426853872³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1188829 + ... + 1189187.

Almost surely, 2^426853872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426853872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625009476).

426853872 is an abundant number, since it is smaller than the sum of its proper divisors (823165080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426853872 is a wasteful number, since it uses less digits than its factorization.

426853872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 387 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 426853872 is about 20660.4422024312. The cubic root of 426853872 is about 752.9389113577.

The spelling of 426853872 in words is "four hundred twenty-six million, eight hundred fifty-three thousand, eight hundred seventy-two".